| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 9,606 | +12.1% |
| 2023/12 | 8,566 | +17.7% |
| 2022/9 | 7,278 | -6.0% |
| 2021/9 | 7,745 | -31.5% |
| 2020/9 | 11,313 | -37.8% |
| 2019/9 | 18,196 | -1.1% |
| 2018/9 | 18,395 | -0.0% |
| 2017/9 | 18,397 | -24.9% |
| 2016/9 | 24,487 | +2.8% |
| 2015/9 | 23,821 | +8.8% |
| 2014/9 | 21,896 | -0.2% |
| 2013/9 | 21,945 | +15.1% |
| 2012/9 | 19,061 | +29.6% |
| 2011/9 | 14,712 | - |